import codecs
import pathlib
from pprint import pformat
from typing import Optional, Sequence
import typer
from openapi_python_client import MetaType
from openapi_python_client.config import Config
from openapi_python_client.parser.errors import ErrorLevel, GeneratorError, ParseError
app = typer.Typer()
def _version_callback(value: bool) -> None:
from openapi_python_client import __version__
if value:
typer.echo(f"openapi-python-client version: {__version__}")
raise typer.Exit()
def _process_config(path: Optional[pathlib.Path]) -> Config:
if not path:
return Config()
try:
return Config.load_from_path(path=path)
except Exception as err:
raise typer.BadParameter("Unable to parse config") from err
# noinspection PyUnusedLocal
@app.callback(name="openapi-python-client")
def cli(
version: bool = typer.Option(False, "--version", callback=_version_callback, help="Print the version and exit"),
) -> None:
"""Generate a Python client from an OpenAPI JSON document"""
def _print_parser_error(err: GeneratorError, color: str) -> None:
typer.secho(err.header, bold=True, fg=color, err=True)
typer.echo()
if err.detail:
typer.secho(err.detail, fg=color, err=True)
typer.echo()
if isinstance(err, ParseError) and err.data is not None:
formatted_data = pformat(err.data)
typer.secho(formatted_data, fg=color, err=True)
typer.echo()
def handle_errors(errors: Sequence[GeneratorError], fail_on_warning: bool = False) -> None:
"""Turn custom errors into formatted error messages"""
if len(errors) == 0:
return
error_level = ErrorLevel.WARNING
message = "Warning(s) encountered while generating. Client was generated, but some pieces may be missing"
header_color = typer.colors.BRIGHT_YELLOW
color = typer.colors.YELLOW
for error in errors:
if error.level == ErrorLevel.ERROR:
error_level = ErrorLevel.ERROR
message = "Error(s) encountered while generating, client was not created"
color = typer.colors.RED
header_color = typer.colors.BRIGHT_RED
break
typer.secho(
message,
underline=True,
bold=True,
fg=header_color,
err=True,
)
typer.echo()
for err in errors:
_print_parser_error(err, color)
gh_link = typer.style(
"https://github.com/openapi-generators/openapi-python-client/issues/new/choose", fg=typer.colors.BRIGHT_BLUE
)
typer.secho(
f"If you believe this was a mistake or this tool is missing a feature you need, "
f"please open an issue at {gh_link}",
fg=typer.colors.BLUE,
err=True,
)
if error_level == ErrorLevel.ERROR or fail_on_warning:
raise typer.Exit(code=1)
custom_template_path_options = {
"help": "A path to a directory containing custom template(s)",
"file_okay": False,
"dir_okay": True,
"readable": True,
"resolve_path": True,
}
_meta_option = typer.Option(
MetaType.POETRY,
help="The type of metadata you want to generate.",
)
CONFIG_OPTION = typer.Option(None, "--config", help="Path to the config file to use")
@app.command()
def generate(
url: Optional[str] = typer.Option(None, help="A URL to read the JSON from"),
path: Optional[pathlib.Path] = typer.Option(None, help="A path to the JSON file"),
custom_template_path: Optional[pathlib.Path] = typer.Option(None, **custom_template_path_options), # type: ignore
meta: MetaType = _meta_option,
file_encoding: str = typer.Option("utf-8", help="Encoding used when writing generated"),
config_path: Optional[pathlib.Path] = CONFIG_OPTION,
fail_on_warning: bool = False,
) -> None:
"""Generate a new OpenAPI Client library"""
from . import create_new_client
if not url and not path:
typer.secho("You must either provide --url or --path", fg=typer.colors.RED)
raise typer.Exit(code=1)
if url and path:
typer.secho("Provide either --url or --path, not both", fg=typer.colors.RED)
raise typer.Exit(code=1)
try:
codecs.getencoder(file_encoding)
except LookupError as err:
typer.secho(f"Unknown encoding : {file_encoding}", fg=typer.colors.RED)
raise typer.Exit(code=1) from err
config = _process_config(config_path)
errors = create_new_client(
url=url,
path=path,
meta=meta,
custom_template_path=custom_template_path,
file_encoding=file_encoding,
config=config,
)
handle_errors(errors, fail_on_warning)
@app.command()
def update(
url: Optional[str] = typer.Option(None, help="A URL to read the JSON from"),
path: Optional[pathlib.Path] = typer.Option(None, help="A path to the JSON file"),
custom_template_path: Optional[pathlib.Path] = typer.Option(None, **custom_template_path_options), # type: ignore
meta: MetaType = _meta_option,
file_encoding: str = typer.Option("utf-8", help="Encoding used when writing generated"),
config_path: Optional[pathlib.Path] = CONFIG_OPTION,
fail_on_warning: bool = False,
) -> None:
"""Update an existing OpenAPI Client library
The update command performs the same operations as generate except it does not overwrite specific metadata for the
generated client such as the README.md, .gitignore, and pyproject.toml.
"""
from . import update_existing_client
if not url and not path:
typer.secho("You must either provide --url or --path", fg=typer.colors.RED)
raise typer.Exit(code=1)
if url and path:
typer.secho("Provide either --url or --path, not both", fg=typer.colors.RED)
raise typer.Exit(code=1)
try:
codecs.getencoder(file_encoding)
except LookupError as err:
typer.secho(f"Unknown encoding : {file_encoding}", fg=typer.colors.RED)
raise typer.Exit(code=1) from err
config = _process_config(config_path)
errors = update_existing_client(
url=url,
path=path,
meta=meta,
custom_template_path=custom_template_path,
file_encoding=file_encoding,
config=config,
)
handle_errors(errors, fail_on_warning)